How to debug error reporting of PHP functions using Sentry?

How to use Sentry to debug PHP function error reports: Install Sentry SDK to initialize Sentry to capture function error reports, use Scoped to capture function errors and report them to the client. Provide a practical case to show how to debug a mathematical function

How to use Sentry to debug error reports of PHP functions?

Sentry is a powerful error tracking and application monitoring tool that helps you capture and debug error reports for PHP functions. This tutorial walks you step-by-step through integrating your PHP code with Sentry and handling function error reporting.

1. Install Sentry SDK

Use Composer in your project to install Sentry PHP SDK:

composer require sentry/sentry

2. Initialize Sentry

Use the file you created from Sentry The DSN obtained by the dashboard initializes Sentry:

use Sentry\ClientBuilder;
use Sentry\State\Scope;

// 创建一个 Sentry 客户端构建器
$builder = new ClientBuilder;

// 使用您的 DSN 初始化构建器
$builder->setDsn('DSN_YOU_GOT_FROM_SENTRY');

// 将构建器注册为全局 Scope
Scope::register();

// 创建并注册 Sentry 客户端
$client = $builder->getClient();

3. Capture function error reporting

Sentry can automatically capture PHP function errors and report them as events. You just need to create a new Scope before the function call and register it:

// 在调用函数之前创建新的 Scope
$scope = Scope::child();
$scope->setUser(
    ['email' => 'your@email.com', 'username' => 'yourUsername']
);

// 在 Scoped 内调用函数
try {
    call_your_function();
} catch (\Exception $e) {
    $client->captureException($e, ['scope' => $scope]);
}

4. Practical case: debugging a mathematical function

Suppose you have acalculate_square_root() function, but it encountered an square root cannot be negative error:

// 试着计算一个负数的平方根，这会导致错误
$negativeNumber = -25;
$squareRoot = calculate_square_root($negativeNumber);

// 使用 Sentry 报告这个错误
$client->captureException(new \Exception('Error calculating the square root'), [
    'scope' => [
        'extra' => [
            'number' => $negativeNumber
        ]
    ]
]);

Sentry will catch this error and send it as an event to your dashboard. You can view the stack trace and additional information on the dashboard to debug this error.

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